YSM - Leading Chinese excavator spare parts & machinery part supplier.
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YSM - Leading Chinese excavator spare parts & machinery part supplier.
4TNV94 Engine Piston for Excavator
Product Name | Piston for Engine 4D954TNV94/6D107/S6K |
Product Information | Piston |
Finish | Smooth |
MOQ | 2 piece |
Delivery Time | Within 15-20 days after contract established |
Package | In carton |
Business Scope | Bulldozer & excavator undercarriage parts, underground engage tools, hydraulic track press, hydraulic pump etc.. |
In some engines, the piston also acts as a valve. It is the moving component that is contained by a cylinder and is made gas-tight by piston rings. In an engine, its purpose is to transfer force from expanding gas in the cylinder to the crankshaft via a piston rod and/or connecting rod.
1. How do piston engines work?
The engine consists of a fixed cylinder and a moving piston. The expanding combustion gases push the piston, which in turn rotates the crankshaft. ... After the piston compresses the fuel-air mixture, the spark ignites it, causing combustion. The expansion of the combustion gases pushes the piston during the power stroke.
2. What can cause piston damage?
The symptoms of a piston failure can include engine noise (rattling or knocking noises while the engine is idling), oil burning, misfiring and loss of power. ... But a fuel or ignition problem won't cause engine noise or blue smoke in the exhaust. Loss of compression also can cause a misfire and a loss of power.
3. Are cylinders and pistons the same thing?
A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a bank, or engine block, which is typically cast from aluminum or cast iron before receiving precision machine work.
4. What are the signs of worn piston rings?
Here is a list of the most common symptoms for bad piston rings:
White or gray exhaust smoke.
Excessive oil consumption.
Low power for acceleration.
Overall loss of power or poor performance.
5. Can bad piston rings cause low oil pressure?
This is another frequent cause of low oil pressure. Using oil with a much lower viscosity than that recommended by the car manufacturer. ... Worn-out piston rings, cylinder walls, valve stem seals, or guides will allow oil to enter the combustion chamber and get burned, causing a drop in engine oil level and pressure.
Partial List
No. | NAME | Model | No. | NAME | Model |
1 | PISTON | 4JG1 | 13 | PISTON | 6D102 |
2 | PISTON | 6BD1 | 14 | PISTON | 6D107 |
3 | PISTON | 6BG1 3 | 15 | PISTON | 4TNV94 |
4 | PISTON | 6BG1 4 | 16 | PISTON | 4TNE98 |
5 | PISTON | 4HK1 | 17 | PISTON | 4TNV98 |
6 | PISTON | 6HK1 | 18 | PISTON | 6D16T |
7 | PISTON | DB58 | 19 | PISTON | S4K |
8 | PISTON | 4BT3.3 48# | 20 | PISTON | S6K |
9 | PISTON | 4BT3.3 50# | 21 | PISTON | S6K |
10 | PISTON | 6BT5.9 | 22 | PISTON | J05E |
11 | PISTON | 4D95 | 23 | PISTON | J08E |
12 | PISTON | 4D102 |
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